Switching power supply



FIG. 1 is a perspective view of the switching power supply.

FIG. 2 is an other perspective view thereof.

FIG. 3 is a front view thereof.

FIG. 4 is a rear view thereof.

FIG. 5 is a top view thereof.

FIG. 6 is a bottom view thereof.

FIG. 7 is a side view thereof; and,

FIG. 8 is an other side view thereof.

The ornamental design for a switching power supply, as shown anddescribed.